短語詞組短語Expected Utility Maximization Model 大化模型Gas Utility Data Model 天然氣設(shè)施數(shù)據(jù)模型utility function model 效用函數(shù)模型utility y model 實(shí)用新型Attribute Utility Choice Model 設(shè)計(jì)了屬性效用選擇模型Utility maximization model 效用最大化模型Desktop Utility Delivery Model 桌上型電腦公用傳遞模型light utility efficiency model 光能利用率模型utility decision model 效用決策模型 返回 utility model